阅读说明：本技术 一种波瓣可机械扫描的反射贴片阵天线 (Reflection patch array antenna with lobe capable of mechanically scanning ) 是由 李岳洲 于 2020-12-11 设计创作，主要内容包括：本发明涉及一种波瓣可机械扫描的反射贴片阵天线,包括：底板、连接架、连接板；所述底板呈矩形板状结构；所述连接架设置在底板的一侧,且连接架与底板通过连接板相连接；所述挡板设置在连接板的侧部,且挡板与连接板通过焊接方式相连接；所述第一气缸设置在底板的前部,且第一气缸与底板通过螺栓固定相连接；所述导向筒设置在底板的中部,且导向筒与底板通过焊接方式相连接；所述推板设置在底板的前部,且推板的后侧设置有导向杆；所述第二气缸设置在连接板的侧部,且第二气缸与连接板通过焊接方式相连接；通过对现有反射贴片阵天线的改进,调节速度快、调节方式多样、使用十分便利的优点,从而有效的解决了本发明在背景技术一项中提出的问题和不足。(The invention relates to a reflection patch array antenna with lobe capable of mechanically scanning, which comprises: a bottom plate, a connecting frame and a connecting plate; the bottom plate is of a rectangular plate-shaped structure; the connecting frame is arranged on one side of the bottom plate and is connected with the bottom plate through a connecting plate; the baffle is arranged on the side part of the connecting plate and is connected with the connecting plate in a welding mode; the first air cylinder is arranged at the front part of the bottom plate and is fixedly connected with the bottom plate through a bolt; the guide cylinder is arranged in the middle of the bottom plate and is connected with the bottom plate in a welding mode; the push plate is arranged at the front part of the bottom plate, and a guide rod is arranged at the rear side of the push plate; the second cylinder is arranged on the side part of the connecting plate and is connected with the connecting plate in a welding mode; the antenna has the advantages of high adjusting speed, various adjusting modes and convenient use by improving the existing reflective patch array antenna, thereby effectively solving the problems and the defects in the background technology.)

1. A reflective patch array antenna with mechanically scannable lobes comprising: the device comprises a bottom plate (1), a connecting frame (2), a connecting plate (3), a baffle (4), a first cylinder (5), a guide cylinder (6), a push plate (7), a guide rod (8), a second cylinder (9), a flexible substrate plate (10), a reflective patch array antenna (11) and a horn antenna (12); the method is characterized in that: the bottom plate (1) is of a rectangular plate-shaped structure, and a horn antenna (12) is arranged at the lower part of the bottom plate (1); the connecting frame (2) is arranged on one side of the bottom plate (1), and the connecting frame (2) is connected with the bottom plate (1) through a connecting plate (3); the baffle (4) is arranged on the side part of the connecting plate (3), and the baffle (4) is connected with the connecting plate (3) in a welding mode; the first air cylinder (5) is arranged at the front part of the bottom plate (1), and the first air cylinder (5) is fixedly connected with the bottom plate (1) through a bolt; the guide cylinder (6) is arranged in the middle of the bottom plate (1), and the guide cylinder (6) is connected with the bottom plate (1) in a welding mode; the push plate (7) is arranged at the front part of the bottom plate (1), and a guide rod (8) is arranged at the rear side of the push plate (7); the second cylinder (9) is arranged on the side part of the connecting plate (3), and the second cylinder (9) is connected with the connecting plate (3) in a welding mode; the flexible substrate plate (10) is arranged at the front end of the second cylinder (9), and the flexible substrate plate (10) is fixedly connected with the second cylinder (9) through bolts; the reflection patch array antenna (11) is arranged on the surface of the flexible substrate plate (10), the reflection patch array antenna (11) is a 9-by-9 rectangular plane reflection patch array unit, and each reflection patch array unit of the reflection patch array antenna (11) is composed of a square copper layer (1101), a dielectric plate layer (1102), an intermediate foam layer (1103) and a bottom copper grounding plate (1104); the horn antenna (12) is a feed horn antenna.

2. A reflective patch array antenna with mechanically scannable lobes according to claim 1, wherein: the connecting frame (2) is of a rectangular frame-shaped structure, and the left side and the right side of the connecting frame (2) are welded with a connecting plate (3).

3. A reflective patch array antenna with mechanically scannable lobes according to claim 1, wherein: the baffle (4) is of an arc-shaped frame structure in a overlooking structure.

4. A reflective patch array antenna with mechanically scannable lobes according to claim 1, wherein: the middle part of the bottom plate (1) of the guide cylinder (6) is provided with four positions, the rear part of the push plate (7) is provided with four guide rods (8), and the four guide rods (8) are connected with the four guide cylinders (6) in a penetrating mode.

5. A reflective patch array antenna with mechanically scannable lobes according to claim 1, wherein: the front side surface of the push plate (7) is of an arc-shaped structure.

6. A reflective patch array antenna with mechanically scannable lobes according to claim 2, wherein: the second air cylinder (9) is provided with four positions on the side parts of the two connecting plates (3), and piston rods of the four second air cylinders (9) are respectively connected with four corners of the flexible base material plate (10).

7. A reflective patch array antenna with mechanically scannable lobes according to claim 2, wherein: each reflective patch array unit of the reflective patch array antenna (11) is composed of a square plane structure copper layer, and incident waves formed by the square copper layer structure of each unit form different phase compensation values.

8. A reflective patch array antenna with mechanically scannable lobes according to claim 2, wherein: each unit size of the reflection patch array antenna (11) is 15mm, the size of the whole array is 135mm, and the working frequency of the reflection patch array antenna (11) is in a wave band of 11G-12GHz, and the central frequency is 11.5 GHz.

9. A reflective patch array antenna with mechanically scannable lobes according to claim 2, wherein: the dielectric layer (1102) has a dielectric constant of 4.4, and the dielectric layer (1102) has a thickness of FR4 of 1.5 mm.

10. A reflective patch array antenna with mechanically scannable lobes according to claim 2, wherein: the dielectric constant of the intermediate foam layer (1103) is 1.05, and the thickness of the intermediate foam layer (1103) is 2.54 mm.

Technical Field

The invention relates to a reflection patch array antenna with lobes capable of mechanically scanning, in particular to a reflection patch array antenna with lobes capable of mechanically scanning.

Background

The reflector array reflection patch array antenna combines the advantages of a parabolic reflector patch array antenna and an array reflection patch array antenna, has the advantages of small volume, light weight, easiness in folding, easiness in conforming, low cost, simplicity in manufacturing and the like, and can be used in military fields of aerospace detection, satellite communication, radar and the like and civil fields of receiving digital television broadcasting, traffic early warning and the like.

The existing reflection patch array antenna is mostly of a fixed structure, is large in size and single in orientation, needs a motor to drive to adjust the direction, is low in speed and is not convenient to use.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a reflection patch array antenna with convenient adjustment and high adjustment speed and with a lobe capable of mechanically scanning.

In order to achieve the purpose, the invention adopts the technical scheme that:

a reflective patch array antenna with mechanically scannable lobes comprising: the device comprises a bottom plate, a connecting frame, a connecting plate, a baffle, a first cylinder, a guide cylinder, a push plate, a guide rod, a second cylinder, a flexible substrate plate and a reflective patch array antenna; the bottom plate is of a rectangular plate-shaped structure; the connecting frame is arranged on one side of the bottom plate and is connected with the bottom plate through a connecting plate; the baffle is arranged on the side part of the connecting plate and is connected with the connecting plate in a welding mode; the first air cylinder is arranged at the front part of the bottom plate and is fixedly connected with the bottom plate through a bolt; the guide cylinder is arranged in the middle of the bottom plate and is connected with the bottom plate in a welding mode; the push plate is arranged at the front part of the bottom plate, and a guide rod is arranged at the rear side of the push plate; the second cylinder is arranged on the side part of the connecting plate and is connected with the connecting plate in a welding mode; the flexible substrate plate is arranged at the front end of the second cylinder and fixedly connected with the second cylinder through bolts; the reflection patch array antenna is arranged on the surface of the flexible substrate board and is a 9-9 rectangular planar reflection patch array unit, and each reflection patch array unit of the reflection patch array antenna is composed of a square copper layer, a dielectric board layer, an intermediate foam layer and a bottom copper grounding board.

As a further optimization of the technical scheme, the connecting frame of the reflective patch array antenna with the lobe capable of mechanically scanning is in a rectangular frame-shaped structure, and the left side and the right side of the connecting frame are both welded with one connecting plate.

As a further optimization of the technical scheme, the baffle of the reflective patch array antenna with the lobe capable of mechanically scanning is a frame structure with an arc-shaped overlooking structure.

As a further optimization of the technical scheme, the guide cylinder of the reflective patch array antenna with the lobe capable of mechanically scanning is provided with four positions in the middle of the bottom plate, the rear part of the push plate is provided with four guide rods, and the four guide rods are connected with the four guide cylinders in a penetrating manner.

As a further optimization of the technical scheme, the front side surface of the push plate of the reflection patch array antenna with the lobe capable of mechanically scanning is of an arc-shaped structure.

As a further optimization of the technical scheme, the second cylinder of the reflective patch array antenna with the lobe capable of mechanically scanning is provided with four positions on the side parts of the two connecting plates, and piston rods of the four second cylinders are respectively connected with four corners of the flexible substrate plate.

As a further optimization of the technical solution, each reflective patch array unit of the reflective patch array antenna with a lobe capable of mechanically scanning according to the present invention is formed by a square plane structure copper layer, and incident waves formed by the square copper layer structure of each unit form different phase compensation values.

As a further optimization of the technical solution, the size of each unit of the reflective patch array antenna is 15mm × 15mm, the size of the whole array is 135mm × 135mm, and the operating frequency of the reflective patch array antenna is in a band of 11G-12GHz, and the center frequency is 11.5 GHz.

As a further optimization of the technical solution, the dielectric constant of the dielectric slab layer of the reflective patch array antenna with the lobe capable of mechanically scanning is 4.4, and the thickness of the dielectric slab layer is FR4 of 1.5 mm.

As a further optimization of the technical solution, in the reflective patch array antenna with a mechanically scannable lobe according to the present invention, the dielectric constant of the intermediate foam layer is 1.05, and the thickness of the intermediate foam layer is 2.54 mm.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. according to the reflective patch array antenna with the lobe capable of being scanned mechanically, the push plate is driven to move by the first air cylinder, the flexible substrate plate can be pushed and adjusted, the flexible substrate plate protrudes in an arc shape, the purpose of adjusting the direction of the reflective patch array antenna on the front portion of the flexible substrate plate is achieved, the vertical range of the direction of the reflective patch array antenna is expanded, the flexible substrate plate can be pulled to move backwards by the second air cylinder, then the baffle can be abutted against the flexible substrate plate, the direction of the reflective patch array antenna is adjusted, the range of the left direction and the right direction of the reflective patch array antenna can be expanded, the adjusting speed is high, the modes are various, and the use is very convenient.

2. The invention effectively solves the problems and the defects of the invention in the background technology by improving the prior reflection patch array antenna, and has the advantages of high adjusting speed, various adjusting modes and convenient use.

Drawings

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

FIG. 1 is a schematic diagram of an axial structure of the present invention;

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic structural diagram of a reflective patch unit of the present invention;

FIG. 6 is a schematic diagram of the phase compensation value principle of the present invention;

FIG. 7 is a schematic diagram of the antenna direction principle of the reflective patch array of the present invention;

fig. 8 is a schematic diagram of the gain performance curve principle of the reflective patch array antenna of the present invention.

Wherein: the antenna comprises a bottom plate 1, a connecting frame 2, a connecting plate 3, a baffle plate 4, a first air cylinder 5, a guide cylinder 6, a push plate 7, a guide rod 8, a second air cylinder 9, a flexible substrate plate 10, a reflection patch array antenna 11, a square copper layer 1101, a dielectric plate layer 1102, an intermediate foam layer 1103 and a bottom copper grounding plate 1104.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

A reflective patch array antenna of the present invention, as shown in figures 1-8, in which the lobes are mechanically scannable, comprises: the device comprises a bottom plate 1, a connecting frame 2, a connecting plate 3, a baffle plate 4, a first cylinder 5, a guide cylinder 6, a push plate 7, a guide rod 8, a second cylinder 9, a flexible substrate plate 10 and a reflective patch array antenna 11; the bottom plate 1 is in a rectangular plate-shaped structure; the connecting frame 2 is arranged on one side of the bottom plate 1, and the connecting frame 2 is connected with the bottom plate 1 through a connecting plate 3; the baffle 4 is arranged on the side part of the connecting plate 3, and the baffle 4 is connected with the connecting plate 3 in a welding mode; the first air cylinder 5 is arranged at the front part of the bottom plate 1, and the first air cylinder 5 is fixedly connected with the bottom plate 1 through bolts; the guide cylinder 6 is arranged in the middle of the bottom plate 1, and the guide cylinder 6 is connected with the bottom plate 1 in a welding mode; the push plate 7 is arranged at the front part of the bottom plate 1, and the rear side of the push plate 7 is provided with a guide rod 8; the second cylinder 9 is arranged on the side part of the connecting plate 3, and the second cylinder 9 is connected with the connecting plate 3 in a welding mode; the flexible substrate plate 10 is arranged at the front end of the second cylinder 9, and the flexible substrate plate 10 is fixedly connected with the second cylinder 9 through a bolt; the reflective patch array antenna 11 is disposed on the surface of the flexible substrate board 10, the reflective patch array antenna 11 is a 9 × 9 rectangular planar reflective patch array unit, and each reflective patch array unit of the reflective patch array antenna 11 is composed of a square copper layer 1101, a dielectric board layer 1102, an intermediate foam layer 1103, and a bottom copper ground board 1104. .

Specifically, link 2 is rectangular frame column structure, and the left and right sides of link 2 all welds a connecting plate 3 for the installation second cylinder 9 removes in order to drive flexible substrate board 10.

Specifically, the baffle 4 is an arc-shaped frame structure in a overlooking structure and is used for supporting the flexible substrate plate 10, so that the range adjustment of the reflective patch array antenna 11 is completed.

Specifically, the guide cylinder 6 is provided with four positions in the middle of the bottom plate 1, the rear portion of the push plate 7 is provided with four guide rods 8, and the four guide rods 8 are connected with the four guide cylinders 6 in a penetrating mode and used for supporting and moving limiting of the push plate 7.

Specifically, the front side surface of the push plate 7 is an arc-shaped structure and is used for supporting the flexible substrate plate 10, so that the deformation of the flexible substrate plate can adjust the range of the reflective patch array antenna 11.

Specifically, the second cylinder 9 is provided with four positions on the side portions of the two connecting plates 3, and piston rods of the second cylinders 9 on the four positions are respectively connected with four corners of the flexible substrate plate 10, so as to drive the flexible substrate plate 10 and the reflective patch array antenna 11 to move.

Specifically, each reflective patch array unit of the reflective patch array antenna 11 is composed of a square plane structure copper layer, incident waves formed by the square copper layer structure of each unit form different phase compensation values, the phase compensation values of the reflective patch array antenna units gradually compensate from 0 ° to 420 ° along with the gradual increase of the side length of the square copper layer, the range of 360 ° required by the phase of the reflective patch array is completely met, the radiation of the reflective patch array antenna 11 at the vertical incident angle is maximum, the 3dB lobe width of the reflective patch array antenna 11 is approximately 9 ° -11 °, and the reflective patch array antenna 11 can be maintained in the required direction in 11GHz and 12 GHz.

Specifically, each cell size of the reflective patch array antenna 11 is 15mm by 15mm, and the size of the entire array is 135mm by 135mm, the working frequency of the reflective patch array antenna 11 is in the wave band of 11G-12GHz, the central frequency is 11.5GHz, the reflective patch array antenna 11 is in the frequency range of 11GHz-12GHz, the horn antenna 12 forms the feed source of the antenna system, after the electromagnetic wave is sent by the horn antenna 12, after phase compensation is carried out by each square copper sheet, lobes are synthesized to the set propagation direction, the reflection patch array antenna 11 keeps the gain fluctuating in the interval of 10dBi-21dBi, the gain at the central frequency of 11.5GHz is 19.2dBi, the average gain is 18dBi, which is much higher than the gain value of about 12dBi of a common X-band array reflection patch array antenna, the 3dB gain bandwidth is about 11% of a very wide bandwidth, and the application requirements of the high-gain array reflection patch array antenna described in the aspect are better met.

Specifically, the dielectric layer 1102 has a dielectric constant of 4.4, and the dielectric layer 1102 has a thickness of FR4 of 1.5 mm.

Specifically, the dielectric constant of the intermediate foam layer 1103 is 1.05, and the thickness of the intermediate foam layer (1103) is 2.54 mm.

When using the device, the four corners of flexible substrate board 10 supports fixedly through second cylinder 9, at first, accessible first cylinder 5 drives push pedal 7 and moves forward, push pedal 7 pushes up before flexible substrate board 10, deformation takes place for flexible substrate board 10, thereby drive the regulation of its surperficial reflection paster array antenna 11 completion direction, the upper and lower scope can be adjusted this moment, the device still can drive flexible substrate board 10 and reflection paster array antenna 11 and move backward through four places second cylinder 9, baffle 4 forms the support to flexible substrate board 10, orientation about flexible substrate board 10 deformation regulation reflection paster array antenna 11, scope about expanding, the regulation mode is diversified, and convenient for use.

In summary, the following steps: a reflection patch array antenna with lobe capable of mechanically scanning is provided, which is provided with a first cylinder to drive a push plate to move, it can promote the regulation to flexible substrate board, make flexible substrate board be the arc form outstanding, in order to reach the regulation purpose of adjusting the anterior reflection paster array antenna direction of flexible substrate board, the scope enlarges about the reflection paster array antenna direction this moment, also can stimulate flexible substrate board rearward movement through the second cylinder, later the baffle can withstand flexible substrate board, reflection paster array antenna direction obtains adjusting, can enlarge the scope of orientation about the reflection paster array antenna this moment, governing speed is fast, the mode is various, it is very convenient to use, current reflection paster array antenna has been solved, mostly be fixed structure, the volume is great, the orientation is single, it carries out the direction regulation to need the motor drive, use not convenient problem enough.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.